<?php

class InformationSystemGroup {
    public $date;
    public $is;
    public $predicted;
    /**
     * @var TimeGroup
     */
    public $timeGroup;
    public $sum_n = 0;
    public $sum_time = 0;
    
    function __construct($date, $is = '', $predicted = false) {
        $this->date = $date;
        $this->is = $is;
        $this->predicted = $predicted;
    }
}